/Engine/Plugins/Online/OnlineSubsystemUtils/Source/OnlineSubsystemUtils/Classes/IpNetDriver.h
Set the current NetDriver's Socket/LocalAddr to the given socket (typically after Net Address Resolution). This will automatically pass the socket back through all NetConnection's, and trigger safe/deferred cleanup of the old socket.
void SetSocketAndLocalAddress ( [FSocket](API\Runtime\Sockets\FSocket) * NewSocket )